Device not ready errors with EMC Clariion storage but good LVM filters
Issue
-
Device not ready messages in the logs:
Sep 20 17:42:25 hostname1 kernel: end_request: I/O error, dev sda, sector 0 Sep 20 17:42:25 hostname1 kernel: printk: 100 messages suppressed. Sep 20 17:42:25 hostname1 kernel: Buffer I/O error on device sda, logical block 0 Sep 20 17:42:25 hostname1 kernel: sd 0:0:0:1: Device not ready: <6>: Current: sense key: Not Ready Sep 20 17:42:25 hostname1 kernel: Add. Sense: Logical unit not ready, manual intervention required
Environment
- Red Hat Enterprise Linux 5.2 through 5.5
- EMC Clariion storage (or presumably other active/passive storage)
- Good LVM filters
- ALUA not used as a path checker
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
